Reebok_Rebel wrote:I'm an IT analyst for a rather large company, this is what i think about anti virus software.
If you do a lot of sensitive work on your computer, such as handing any financial transactions or anything that involves keeping peoples personal data - you NEED a decent (paid-for) anti virus - I believe Norton internet security is the best and does not have to much of an effect on CPU usage (Ie, does not slow your PC down so much)
If you dont use your PC for business purposes, then you will be fine with one of the free ones, AVG's 'paid' anti-virus is a bloody good program, unfortunately - the free version is shit, dont bother. even if by some miracle it does detect something - it will not remove it for you unless you upgrade to the paid version. It will stay in a vault - this is safe enough but at the end of the day, you dont want it there.
I recommend Avast free, It gives you a free licence for12 months, this can be renewed every 12 months, its the only free anti-virus that works in 'real-time', it also integrates very well with search engines such as google and will 'pre-warn' you if any site you are going to visit is a risky one. It also has a P2P shield - this is handy if you use any peer-to-peer software (a torrent client or streaming football matches on-line) follow the below link to download...
http://www.avast.com/free-antivirus-download forgive me, but if you do download anything or watch streaming media like football matches or TV shows on-line, your stupid if you dont have any anti-virus software, these sites are absolutely riddled with spy-ware and malware, sometimes you dont even notice your computer is affected. if your not infected by anything - your very lucky! spyware and malware is usually 'bundled' in with free downloads of certain programs - at best they will install a different search engine or hijack your google/yahoo searches to take you to sites that the company who wrote the malware get a fee for when people visit them - basically it redirects you to sites that are not really what you are looking for, its more annoying than anything else. at worst, malware can actually re-direct you to 'phishing' sites, phishing is when you are redirected to a site that looks EXACTLY the same as the one you want to go to - mainly on-line banking sites, for example - if you bank with natwest and type in the URL for NatWest (
www.natwest.co.uk) it will redirect you to a site that looks exactly the same, you then log in with your details and bang... criminals have your bank details - i dont mean to scare you, the chances of this happening are pretty slim if im honest, banks usually just right on these and you will be warned before visiting it - but it can and does happen. on-line fraud is a massive industry.
Also, DNS changers can be annoying, they change your computers DNS settings, so you can only visit sites they allow you to or non at all - it basically takes your PC off-line by changing the host file on your PC - this is VERY hard to get rid of and usually results in having to buy a new copy of windows and totally wipe the hard drive - system recovery wont work as this uses the 'current' (corrupt) host file again.
if you have not had anti virus on your PC before, chances are it will be infected with something so id recommend doing a full system restore (it reformats the drive and gets the PC back to its factory settings) if its a laptop - tell me what laptop it is and il give you some instructions on how to do this, they usually have a partition on the drive - unless it has a CD ROM drive then it may have come with recovery disks you can use like a PC.
if you have recovery disks (it will say something like windows recovery/restore on the disks) just run these and follow the prompts - it does take a long time to perform and will delete EVERYTHING from your hard drive, so if you have any photos or music (including porn but as porn is riddled with viruses, i recommend just letting the PC get rid of this) you want to keep, back these up to an external source such as a memory stick.
once your PC is restored, you need to install an anti virus program (above link) BEFORE putting your saved data back on the PC.
WORD OF WARNING - windows usually give you a months trial of some anti virus software (usually Norton or macafe) having two anti-virus programs running at the same time can cause SERIOUS problems, even stop your PC from booting up - BEFORE installing ANY anti virus software, make sure you go to add and remove programs in control panel and unistall the free trial from there, if there is one.
once you have a anti virus program installed, put your 'stuff' back on the PC and run a FULL scan - it will take about an hour, this will check if the stuff you have put back on is infected or not. if it is, avast will tell you and it will deal with it for you.
you will also have to re-set up and wireless networks or any other settings you had saved as all these will have been deleted.
anything, just ask